Features- Get a secure fit when running . The adjustable loop hangers clip securely to your ears so you can really get your body moving to the beat- Has sound to drive your workout with a 13.5mm driver so when you're feeling the strain in those final workout minutes, pure, energised sound keeps you going until the very end- Hear every detail crisp and clear with 104dB/mW sensitivity and a frequency range of 17-22,000Hz, turn up the volume and hear pure detail- All natural acoustics with an open design, so sound flows in and out through the back of the earcups for a more natural sound- Ready for rain, sweat or spray, because when the rain beats down, splashproof headphones will keep on playing throughout your training- Get flexible with a 1.2m cord, and free up your movement with a cord that's long enough for the treadmill or the streets